/* File: file_wld.c Copyright (C) 2016 Christophe GRENIER <grenier@cgsecurity.org> This software is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */#ifdef HAVE_CONFIG_H#include <config.h>#endif#ifdef HAVE_STRING_H#include <string.h>#endif#include <stdio.h>#include"types.h"#include"filegen.h"#include"common.h"static voidregister_header_check_wld(file_stat_t *file_stat);const file_hint_t file_hint_wld= {.extension="wld",.description="Terraria world",.max_filesize=PHOTOREC_MAX_FILE_SIZE,.recover=1,.enable_by_default=1,.register_header_check=&register_header_check_wld
};/* See http://ludwig.schafer.free.fr for WLD file format */static voidfile_rename_wld(file_recovery_t *file_recovery){uint32_t offset;unsigned char buffer[256];FILE*file;if((file=fopen(file_recovery->filename,"rb"))==NULL)return;if(fseek(file,0x1a, SEEK_SET) == -1||fread(&offset,4,1, file)!=1||fseek(file,le32(offset), SEEK_SET) == -1||fread(&buffer,256,1, file)!=1){fclose(file);return;}fclose(file);file_rename(file_recovery, &buffer[1], buffer[0],0, NULL,1);}static intheader_check_wld(const unsigned char*buffer,const unsigned int buffer_size,const unsigned int safe_header_only,const file_recovery_t *file_recovery, file_recovery_t *file_recovery_new){if(buffer[0xB]<=0|| buffer[0xB]>3)return0;reset_file_recovery(file_recovery_new);switch(buffer[0xb]){case0x01:
file_recovery_new->extension="map";break;case0x02:
file_recovery_new->extension=file_hint_wld.extension;
file_recovery_new->file_rename=&file_rename_wld;break;case0x03:
file_recovery_new->extension="plr";break;}return1;}static voidregister_header_check_wld(file_stat_t *file_stat){static const unsigned char wld_header[10]= {0x00,0x00,0x00,'r','e','l','o','g','i','c'};register_header_check(1, wld_header,sizeof(wld_header), &header_check_wld, file_stat);}